21030116

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 37914240

約数和(自身を除く): 16884124

約数列:

[1, 2, 4, 61, 79, 122, 158, 244, 316, 1091, 2182, 4364, 4819, 9638, 19276, 66551, 86189, 133102, 172378, 266204, 344756, 5257529, 10515058, 21030116]

約数ペア:

[(1, 21030116), (2, 10515058), (4, 5257529), (61, 344756), (79, 266204), (122, 172378), (158, 133102), (244, 86189), (316, 66551), (1091, 19276), (2182, 9638), (4364, 4819)]